WMSIC Electronic Components

Infineon ISP14EP15LMXTSA1

ModelISP14EP15LMXTSA1
PackageSOT-223
BrandInfineon
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 24+

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Technical data

Product details

20 specifications

Core information

Product name
Infineon ISP14EP15LMXTSA1
Type
INFINEON
Unit
Electronic Component
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
ISP14EP15LMXTSA1
Electronic Component
1
Package
SOT-223
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.194g
Electronic Component
1
Electronic Component
BM0230580033
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
5W
Electronic Component
Electronic Component
Electronic Component
1000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ISP14EP15LMXTSA1 产品概述

一、简要介绍

ISP14EP15LMXTSA1 为英飞凌(Infineon)出品的一款 P 沟道功率 MOSFET,适用于中高电压场合的高侧开关与保护电路。器件耐压为 150V,结合 SOT-223 小型封装,面向需要较高耐压但电流要求中等的便携/工业电源和功率管理应用。

二、主要电气参数

  • 类型:P 沟道 MOSFET(单个)
  • 漏源电压 Vdss:150V
  • 连续漏极电流 Id:1.29A(器件级别持续允许值)
  • 导通电阻 RDS(on):1.38Ω @ Vgs=4.5V, Id=0.7A
  • 阈值电压 Vgs(th):2V @ Ig=270µA
  • 总栅极电荷 Qg:11.6nC @ Vgs=10V
  • 输入电容 Ciss:530pF;反向传输电容 Crss:11pF;输出电容 Coss:25pF
  • 耗散功率 Pd:5W(SOT-223 封装条件下)
  • 工作温度范围:-55℃ ~ +150℃

三、封装与热管理

器件采用 SOT-223 封装,体积小、便于手工焊接与波峰焊接。SOT-223 在 PCB 上的散热能力受焊盘面积、铜厚与过孔影响明显。由于器件 Pd 规格在 5W 级别,但在典型工作点(例如 RDS(on)×I^2)下功耗可能接近 Pd,需要在 PCB 布局时:

  • 扩展散热铜箔与采用散热过孔;
  • 将热敏元件靠近器件放置以便温度监控;
  • 在高负载应用中考虑并联或改用大封装器件。

四、开关与驱动特性

器件的 Qg=11.6nC 与 Ciss=530pF 指示在切换时需要一定驱动能量,开关损耗与驱动电路能力相关。注意 P 沟道 MOSFET 的 Vgs 极性:通常以负栅压驱通(源端电位高于漏端),因此在高侧应用中可直接用简单的驱动方案,但应确保驱动电压幅值与芯片允许范围一致。RDS(on) 在低电流(0.7A)测试点为 1.38Ω,表明在较大电流时导通损耗上升明显,应评估是否满足目标系统效率。

五、典型应用

  • 高侧负载开关与电源断路控制(便携设备、电池管理)
  • 反向/极性保护电路
  • 中高压 DC-DC 前级开关、隔离电源控制
  • 工业控制与小功率电源模块

六、设计建议与注意事项

  • 在设计功率预算时,按实际电流与 RDS(on) 估算导通损耗(Pdiss≈I^2×RDS(on)),例如 1.29A 条件下损耗可能接近器件功耗极限,需考虑热降额。
  • 选择合适的门极小阻值或串联门极电阻以抑制振荡并限制充放电峰值电流;同时,驱动能力应能提供 Qg 对应的瞬时电流。
  • 高 dv/dt 环境下注意 Crss 对栅极的耦合作用,必要时增加栅极阻尼或驱动缓冲。
  • 遵循英飞凌数据手册关于最大 Vgs、SOA 与温度相关限制的规定,避免超出器件安全工作区。

总结:ISP14EP15LMXTSA1 是一款耐压高、适合中等电流应用的 P 沟道 MOSFET,SOT-223 小巧封装便于系统集成。设计时需重点关注热管理与开关驱动,以保证长期可靠运行。若需更详细的 SOA、Rth 或脉冲特性,请参考英飞凌完整数据手册。

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